States of Matter - Result Question 86
86. Calculate the root mean square velocity of ozone kept in a closed vessel at $20^{\circ} \mathrm{C}$ and 82 cm mercury pressure.
(1985, 2M)
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Answer:
Correct Answer: 86. $\left(390.2 \mathrm{~ms}^{-1}\right)$
Solution:
$u_{\mathrm{rms}}=\sqrt{\dfrac{3 R T}{M}}=\sqrt{\dfrac{3 \times 8.314 \times 293}{48 \times 10^{-3}}}=390.2 \mathrm{~ms}^{-1}$
BETA
